Product Description
The Liquidew EExd offers complete trace moisture measurement, applying a robust sensor technology to provide direct, accurate, on-line measurements for moisture dissolved in process liquids. Purpose designed explosion-proof analyzer provides single-or dual-channel measurements, convenient display interface and easy installation for new projects and retrofits to existing plants.
Product Features
- EExd flameproof certified – IECEx, ATEX, CCSAUS and TC TR Ex
- Complete hazardous area installation
- Single or dual-channel measurements
- 0.001 ppmW to saturation range capacity
- Pre-programmed and user-entered saturation concentration values
- Remote global access options
Technical Specification
| Main Unit Measurement Parameters |
|
| Channel Configuration | Single and dual channel |
| Moisture Content | ppmw |
| Temperature | °C and °F |
| Water Dew Point | °C and °F |
| Sample Flow Rate | Status indication: LOW-OK-HIGH (<0.1 to >0.3 Nl/min) |
| Sensor Technology | |
| Moisture Sensor Technology | Michell Ceramic Moisture Sensor |
| Calibration Range | -100°Cdp to +20°Cdp (-148 to +68°F dew point) |
| Measurement Range | -120°Cdp to +30°Cdp (0.001 ppmW to saturation) (-184 to +86°Fdp) |
| Accuracy | Dew Point: ±1°C (±1.8°F) between –59.9 & +20°Cdp (–75.8 & +68°Fdp) ±2°C (±3.6°F) between –60 & –100°Cdp (–76 & –148°Fdp) Moisture content: ±10% of reading ±20% of reading Analysis Temperature: ±0.2°C (±0.36°F) |
| Resolution | 0.1°C between +20°Cdp and -80°Cdp 1°C between -80°Cdp and -100°Cdp |
| Temperature coefficient | Algorithm compensation (-20 to +50°C) |
| Operating Pressure | Max. 80 barg (1160 psig) |
| Sample Flow | Up to 1 l/min (0.1 to 0.2) recommended |
| HMI | |
| Keypad/Interface | Capacitive touch-screen through glass |
| Display | Vacuum fluorescent |
| Datalogging | A rolling maximum of 150 data logs is available. Each log records time, date, moisture and temperature values for each channel. 5 minutes minimum and 60 minutes maximum logging intervals can be set by the user |
| Communications and Output | Two non-isolated 4-20 mA per measurement channel. 500 Ω maximum load. Range and parameter settable by user. Modbus RTU @ 9600 baud-rate Alarms: two volt free contacts per channel; one process value and one instrument status. Also available via Modbus communications |
| Enclosure | |
| Type | Flameproof EExd |
| Construction | Cast copper-free aluminium (IP66/NEMA 4) |
| Finish | Chromate primer, polyester P9010 powder coated (black) — meets BS3900 |
| General | |
| Sample Connections | 1/8” NPT (ATEX / IECEx) or 1/4” NPT (CSA) (female) |
| Weight | 21kg (46.3lbs) |
| Operating Supply Voltage | 90 to 260 V AC, 47/63 Hz, 180 W — main unit |
| Operating environment | Indoor/outdoor: –20 to +60°C (–4 to +140°F); max 95% RH |
| Certification | |
| Hazardous Area Certification | ATEX: II 2G Ex d IIB + H2 Gb IECEx: Ex d IIB + H2 Gb Tamb -40°C to +45°C T4 Tamb -40°C to +60°C T3 cSAus: Class I, Division 1, Group B, C, & D T4 *TC TR: 1Ex d IIB+H2 T4, T3 Gb |
| Pattern Approval | GOST-R, GOST-K |
Any Question at
+92 51 4862395
Office # 06, Rose-1 Plaza
I-8 Markaz, Islamabad
Mon-Sat
9 am – 5 pm
Send your mail at
info@tetracon.com.pk